The Number

40042

Forty Thousand and Forty-Two

Nearby Numbers

Positive, nonzero integers within three units

40039
Forty Thousand and Thirty-Nine
40040
Forty Thousand and Forty
40041
Forty Thousand and Forty-One
40043
Forty Thousand and Forty-Three
40044
Forty Thousand and Forty-Four
40045
Forty Thousand and Forty-Five

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

4.0042e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00002497377753358973

The reciprocal of 40042.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 40042 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Forty thousand and forty-two is a composite number with 4 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Forty thousand and forty-two is a composite number with 4 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number forty thousand and forty-two has the following 2 prime factors:

2
Two
20021
Twenty Thousand and Twenty-One

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

21 · 200211 = 40042

Base Conversions

The number forty thousand and forty-two in 35 different bases